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Cushion|Lab Grown|IGI

3.06ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG790680025

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG790680025

Diamond specifications and retailer prices

From HK$7,618 HKD
$971 USD
As of October 30, 2026
Save HK$636 HKD (8%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$8,254 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790680025 or 790680025. Listed at 4 retailers as of October 30, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790680025
Dimensions10.87 × 7.41 × 5.03 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.87 mm7.41 mm3.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790680025
Side View
Table 40.0%Crown 33.2°Girdle: STK-THKPavilion 38°Culet: LargeDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$8,254 HKD|Low: HK$7,618 HKD|High: HK$11,604 HKD|Avg: HK$8,945 HKD|-8.5%
Adiamor
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4HK$7,618 HKD
Retailer 3HK$7,712 HKD
Retailer 2HK$8,154 HKD
AdiamorHK$8,254 HKD

34 data points across 4 retailers

4 retailersHK$7,618 HKD to HK$8,254 HKD

A
Cheapest Retailer
-
HK$7,618 HKD
$971 USD
A
Retailer 2
-
HK$7,712 HKD
$983 USD
View
B+
Retailer 3
-
HK$8,154 HKD
£818 GBP
View
Most Expensive
B+
Adiamor
D-80367797 · Oct 31
HK$8,254 HKD
$1,052 USD
View
3 more retailers have this diamond
Prices start from HK$7,618 HKDSave up to HK$636 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.06ct Cushion
HK$7,618 HKD